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how to check the dtype of a column in python pandas
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In pandas 0.20.2 you can do:
from pandas.api.types import is_string_dtype
from pandas.api.types import is_numeric_dtype
is_string_dtype(df['A'])
>>>> True
is_numeric_dtype(df['B'])
>>>> True
So your code becomes:
for y in agg.columns:
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Task vs Thread differences [duplicate]
...d rather than running on the ThreadPool.
All newer high-level concurrency APIs, including the Parallel.For*() methods, PLINQ, C# 5 await, and modern async methods in the BCL, are all built on Task.
Conclusion
The bottom line is that Task is almost always the best option; it provides a much more p...
What is the difference between Android margin start/end and right/left?
...flow, start=right, end=left.
The "start" and "end" concepts were added in API Level 17, as part of Android 4.2's support for RTL layouts.
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follo...
Lightweight Javascript DB for use in Node.js [closed]
...as you but couldn't find a suitable database. nStore was promising but the API was not nearly complete enough and not very coherent.
That's why I made NeDB, which a dependency-less embedded database for Node.js projects. You can use it with a simple require(), it is persistent, and its API is the m...
Design for Facebook authentication in an iOS app that also accesses a secured web service
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@TimLeunge: We are using the Graph API for requests with the user's access token.
– TMC
Aug 14 '11 at 7:09
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How do I choose grid and block dimensions for CUDA kernels?
...upancy calculations and launch configuration, see
CUDA Pro Tip: Occupancy API Simplifies Launch Configuration
One of the useful functions is cudaOccupancyMaxPotentialBlockSize which heuristically calculates a block size that achieves the maximum occupancy. The values provided by that function coul...
JQuery: detect change in input field [duplicate]
... $.on() is the preferred method to attach event handlers (see here: http://api.jquery.com/on/ and http://api.jquery.com/bind/).
$.keydown() is just a shortcut to $.bind('keydown'), and $.bind() is what $.on() replaces (among others).
To answer your question, as far as I'm aware, unless you need to...
How can I remove the top and right axis in matplotlib?
...tion for beginners: where can you find this answer based on the Matplotlib API doc? If I go there: matplotlib.org/api/axes_api.html I don't see any reference to the spine object, and I wouldn't have guessed this keyword.
– Eric Burel
Jan 23 '19 at 16:46
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How do I make my string comparison case insensitive?
...air and do not use the letters ı and İ. In German, the lower case ß is capitalized as "SS".
– jarnbjo
May 21 '13 at 12:24
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How to scroll to top of page with JavaScript/jQuery?
...'t supported by MS browsers (because of course). See caniuse.com/#feat=mdn-api_history_scrollrestoration and developer.mozilla.org/de/docs/Web/API/…
– Yarin
Nov 20 '19 at 14:35
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